
Photo: Thesupermat · CC BY-SA 4.0
Classic motorcycle head-to-head
Honda CB450 Black Bomber scores 74/100 overall against Triumph Bonneville T120 on 82/100. On the road: 65–65. As classics: 83–98. Overall result: Triumph Bonneville T120.

Photo: Thesupermat · CC BY-SA 4.0

The numbers
| Category | Honda CB450 | Triumph Bonneville | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 7 | 6 | Honda CB450 |
| HandlingSteering, stability, weight and real-road manners. | 6 | 8 | Triumph Bonneville |
| BrakingDirect comparison of real stopping ability without an age allowance. | 5 | 5 | Level |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 8 | 6 | Honda CB450 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 7 | 8 | Triumph Bonneville |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 6 | Level |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 8 | 10 | Triumph Bonneville |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 10 | Triumph Bonneville |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 8 | 9 | Triumph Bonneville |
| CharacterSound, feel, personality and memorable riding experience. | 8 | 10 | Triumph Bonneville |
you want advanced 1960s Honda engineering, distinctive styling and a twin that challenged established British machinery.
you value lightness, accessible mechanical simplicity and the sound and feel of a classic British twin.
Background
The Honda CB450 Black Bomber was produced from 1965–1968 and used a 444cc air-cooled DOHC parallel twin. Within this comparison library it stands out particularly for historic importance, styling, reliability. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
The Triumph Bonneville T120 was produced from 1959–1973 and used a 649cc air-cooled parallel twin. Within this comparison library it stands out particularly for styling, historic importance, character. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Present-day appeal
Collector interest is strongest where condition, originality and correct period details support the identity of the Honda CB450 Black Bomber. Its library score for historic importance is 9/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Collector interest is strongest where condition, originality and correct period details support the identity of the Triumph Bonneville T120. Its library score for styling is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Before you buy
Period opposition
Final result
On the road the motorcycles finish level. Triumph Bonneville T120 wins the classic-motorcycle comparison. Triumph Bonneville T120 takes the overall result after the road and classic scores are weighted equally.